Hi, I have a little problem getBoundingInfo().boundingSphere.radiusWorld. My box has a width of 1: let radius = box.getBoundingInfo().boundingSphere.radiusWorld; → radius = 1.1874342087037917; That’s OK. Now I do the following: box.scaling.x = 3; let radius = box.getBoundingInfo().boundingS…

[image] Evgeni_Popov: Have you tried calling refreshBoundingInfo()? Does not work, with computeWorldMatrix(true) everything is Ok :wink:

Hey @Pe443 , Are you checking the getBoundingInfo exactly after setting the scalling box.scaling.x? Or you do the check after the engine rendering loop make at least one step?

Hi, II must do the check direct after the scale, the scene is NOT rendert. This is because I have to calculate postions and so of other meshes bevor the scne is renderd. Especially I need this for placing objects BEVOR the first rendering of a scene.

[image] Pe443: I know I must use box.computeWorldMatrix(true) to get the right result See this topic to understand why computeWorldMatrix is needed for scaling to be taken into account.

No this topic is why getBoundingInfo does give a wrong number and why? For me it makes no sense to use computeWorldMatrix every time, or lets say, why must the scene be rendred bevor I can get getBoundingInfo().

[image] Pe443: No this topic is why getBoundingInfo does give a wrong number and why? We understand what the topic is about. The why? is explained by the link I gave. When you have box.scaling.x = 3 all this does is assign the value 3 to the x property of the scaling property of the box to…

Have you tried calling refreshBoundingInfo()?

[image] JohnK: all this does is assign the value 3 to the x property of the scaling property of the box to 3. No ‘scaling’ of the box takes place because no code has been called to do that. So no change has been made to the bounding info yet. OK now I understand, I thought that scaling manip…

getBoundingInfo() after scaling a mesh is not correct

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JohnK November 8, 2022, 8:48am 4

See this topic to understand why computeWorldMatrix is needed for scaling to be taken into account.

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getBoundingInfo() after scaling a mesh is not correct

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